Cementing skid with recirculating mixer

Abstract

A machinery skid unit comprising a machinery skid frame including a plurality of longitudinal frame members, cross-members mounted thereon and extending outwardly therefrom and a plurality of members secured to said longitudinal frame members in a horizontal plane below the cross-members. The machinery skid unit further comprises a plurality of engines, a plurality of positive displacement type pumps, a recirculating mixing system, a supply pump, and a recirculating pump.

What is claimed is: 
     
       1. A machinery skid frame for use as a cementing skid unit having positive displacement pump means, engine means for driving said positive displacement pump means, and fluid measuring tank means, said machinery skid frame comprising: a plurality of longitudinal frame members located in close proximity to each other for mounting said positive displacement pump means, said engine means and said fluid measuring tank means thereon, each longitudinal frame member comprising:   a plurality of members releasably secured to each other to facilitate disassembly of said machinery skid frame into a plurality of sections, one section having said positive displacement pump means thereon with a remaining section having said engine means and said fluid measuring tank means thereon;   a plurality of frame cross-members for supporting said engine means thereon located above said plurality of longitudinal frame members at one end thereof, secured thereto, and extending outwardly therefrom;   a plurality of frame cross-members for supporting said fluid measuring tank means thereon located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom; and   a plurality of frame cross-members for supporting said positive displacement pump means thereon located above said plurality of longitudinal frame members at the other end thereof, secured thereto, and extending outwardly therefrom.   
     
     
       2. The machinery skid frame of claim 1 further comprising: a plurality of members secured to said longitudinal frame members, extending therefrom, and mounted in a horizontal plane below said plurality of frame cross-members.   
     
     
       3. A machinery skid unit comprising: a machinery skid frame including: a plurality of longitudinal frame members located in close proximity to each other;   a plurality of frame cross-members located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom; and   a plurality of members secured to said longitudinal frame members, extending outwardly therefrom, and mounted in a horizontal plane below said plurality of frame cross-members;     a plurality of engines mounted on said skid frame, said plurality of engines including at least one auxiliary engine;   a plurality of positive displacement type pumps mounted on said machinery skid frame at one end thereof while the engines of said plurality of engines driving said plurality of positive displacement pumps are located on the other end of said machinery skid frame;   a fluid measuring tank mounted on said machinery skid frame;   a recirculating mixing system mounted on said machinery skid frame;   a supply pump mounted on said machinery skid frame for supplying fluid from said fluid measuring tank to said recirculating mixing system; and   a recirculating pump mounted on said machinery skid frame for discharging fluid from said recirculating mixing system to said plurality of positive displacement type pumps.   
     
     
       4. The machinery skid unit of claim 3 wherein said fluid measuring tank and said recirculating mixing system are mounted on said machinery skid frame between said plurality of positive displacement type pumps and the engines of said plurality of engines driving said plurality of positive displacement type pumps. 
     
     
       5. The machinery skid unit of claim 3 wherein said supply pump and said recirculating pump are mounted on members of said plurality of members secured to said longitudinal frame members of said machinery skid frame. 
     
     
       6. The machinery skid unit of claim 3 wherein said auxiliary engine of said plurality of engines is mounted on members of said plurality of members secured to said longitudinal frame members of said machinery skid frame. 
     
     
       7. The machinery skid unit of claim 3 wherein said supply pump and said recirculating pump are centrifugal type pumps. 
     
     
       8. The machinery skid unit of claim 3 wherein said recirculating pump and said supply pump are driven by hydraulic motors. 
     
     
       9. The machinery skid unit of claim 3 wherein said auxiliary engine drives at least one hydraulic pump. 
     
     
       10. The machinery skid unit of claim 8 wherein said auxiliary engine drives a plurality of hydraulic pumps that are connected to said hydraulic motors which drive said recirculating pump and said supply pump. 
     
     
       11. A machinery skid unit comprising: a machinery skid frame including: a plurality of longitudinal frame members located in close proximity to each other;   a plurality of frame cross-members located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom; and   a plurality of members secured to said longitudinal frame members, extending therefrom, and mounted in a horizontal plane below said plurality of frame cross-members;     a plurality of engines mounted on said skid frame, said plurality of engines including at least one auxiliary engine, said auxiliary engine being mounted on members of said plurality of members secured to said longitudinal frame members of said machinery skid frame;   a plurality of positive displacement type pumps mounted on said machinery skid frame at one end thereof while the engines of said plurality of engines driving said plurality of positive displacement pumps are located on the other end of said machinery skid frame;   a fluid measuring tank mounted on said machinery skid frame between said plurality of positive displacement type pumps and the engines of said plurality of engines driving said plurality of positive displacement type pumps;   a recirculating mixing system mounted on said machinery skid frame between said plurality of positive displacement type pumps and the engines of said plurality of engines driving said plurality of positive displacement type pumps;   a supply pump mounted on at least one member of said plurality of members secured to said longitudinal frame members of said machinery skid frame; and   a recirculating pump mounted on at least one of said plurality of members secured to said longitudinal frame members of said machinery skid frame.   
     
     
       12. A machinery skid frame for use as a cementing skid unit having positive displacement pump means, engine means for driving said positive displacement pump means, fluid measuring tank means, recirculating mixing system means, supply pump means, recirculating pump means and auxiliary engine means for driving said supply pump means and said recirculating pump means, said machinery skid frame comprising: a plurality of longitudinal frame members located in close proximity to each other for mounting said positive displacement pump means, said engine means, said fluid measuring tank means, said recirculating mixing means, said supply pump means, said recirculating pump means and said auxiliary engine means thereon, each longitudinal frame member comprising: a plurality of members releasably secured to each other to facilitate disassambly of said machinery skid frame into a plurality of sections, one section having said positive displacement pump means thereon, another section having said fluid measuring tank means, said recirculating mixing means, said recirculating pump means, said supply pump means, and said auxiliary engine means thereon, and a remaining section having said engine means thereon;   a plurality of frame cross-members for supporting said engine means thereon located above said plurality of longitudinal frame members at one end thereof, secured thereto and extending outwardly therefrom;   a plurality of frame cross-members for supporting said fluid measuring tank means thereon located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom;   a plurality of frame cross-members for supporting said recirculating mixing means thereon located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom;   a plurality of frame cross-members for supporting said positive displacement pump means thereon located above said plurality of longitudinal frame members at the other end thereof, secured thereto, and extending outwardly therefrom;   support means for supporting said supply pump means secured to one of said plurality of longitudinal frame members, extending outwardly therefrom, and mounted in a horizontal plane below said plurality of frame cross-members;   support means for supporting said recirculating pump means secured to a longitudinal frame member, extending outwardly therefrom, and mounted in a horizontal plane below said plurality of frame cross-members; and   support means for supporting said auxiliary engine means secured to a different longitudinal frame member of said plurality of longitudinal frame members than the longitudinal frame member having said support means for said supply pump means secured thereto, extending outwardly therefrom, and mounted in a horizontal plane below said plurality of frame cross-members.     
     
     
       13. A machinery skid unit for use in well cementing operations comprising: a machinery skid frame including: a plurality of longitudinal frame   members located in close proximity to each other;   a plurality of frame cross-members located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom; and   a plurality of members secured to said longitudinal frame members, extending outwardly therefrom, and mounted in a horizontal plane below said plurality of frame cross-members;     positive displacement pump means mounted on one end of said machinery skid frame;   engine means for driving said positive displacement pump means mounted on the other end of said machinery skid frame;   fluid measuring tank means mounted on said machinery skid frame between said engine means and said positive displacement pump means mounted on said machinery skid frame;   recirculating mixing means mounted on said machinery skid frame between said engine means and said positive displacement pump means mounted on said machinery skid frame;   a supply pump means mounted on said machinery skid frame for supplying fluid from said fluid measuring tank means to said recirculating mixing means;   recirculating pump means mounted on said machinery skid frame for discharging fluid from said recirculating mixing system to said positive displacement pump means; and   auxiliary engine means mounted on said machinery skid frame for driving said supply pump means and said recirculating pump means.   
     
     
       14. The machinery skid unit of claim 13 wherein said engine means, said fluid measuring tank means, said recirculating mixing means and said positive displacement pump means are mounted on cross-members of said plurality of frame cross-members of said machinery skid frame. 
     
     
       15. The machinery skid unit of claim 13 further comprising operator platform means located between said engine means and said positive displacement pump means mounted on said machinery skid frame. 
     
     
       16. The machinery skid unit of claim 15 wherein said operator platform means is mounted on cross-members of said plurality of frame cross-members. 
     
     
       17. The machinery skid unit of claim 13 wherein said supply pump means and said recirculating pump means are mounted on members of said plurality of members secured to said longitudinal frame members of said machinery skid frame. 
     
     
       18. The machinery skid unit of claim 13 wherein said auxiliary engine is mounted on members of said plurality of members secured to said longitudinal frame members of said machinery skid frame. 
     
     
       19. The machinery skid unit of claim 13 wherein said supply pump means and said recirculating pump means are mounted on members of said plurality of members which are secured to one of said plurality of longitudinal frame members while said auxiliary engine means is mounted on members of said plurality of members which are secured to another longitudinal frame member of said plurality of longitudinal frame members. 
     
     
       20. The machinery skid unit of claim 15 wherein: said recirculating mixing means is mounted on said machinery skid frame between said fluid measuring tank means and said positive displacement pump means.   
     
     
       21. The machinery skid unit of claim 20 wherein said operator platform means is mounted on said machinery skid frame between said fluid measuring tank means and said positive displacement pump means adjacent said recirculating mixing means. 
     
     
       22. The machinery skid unit of claim 21 wherein said supply pump means is mounted on a member of said plurality of members with said member being mounted below said fluid measuring tank means on one of said plurality of longitudinal frame members, said recirculating pump means is mounted on a member of said plurality of members with said member being mounted below said recirculating mixing means on the same longitudinal frame member as said supply pump means mounted on said member, and said auxiliary engine means being mounted on members of said plurality of members secured to said longitudinal frame member with said members being mounted below said operator platform means on another longitudinal frame member of said plurality of longitudinal frame members. 
     
     
       23. The machinery skid unit of claim 22 wherein said auxiliary engine drives hydraulic pump means that are connected to hydraulic motor means driving said supply pump means and said recirculating pump means. 
     
     
       24. A machinery skid unit for use in well cementing operations comprising: a machinery skid frame including: a plurality of longitudinal frame members located in close proximity to each other;   a plurality of frame cross-members located above said plurality of longitudinal frame members, secured thereto, and extending outwardly therefrom; and   a plurality of members secured to said longitudinal frame members, extending outwardly therefrom, and mounted in a horizontal plane below said plurality of frame cross-members;     positive displacement pump means mounted on a plurality of cross-members which are mounted on one end of said plurality of longitudinal frame members of said machinery skid frame;   engine means for driving said positive displacement pump means mounted on a plurality of cross-members which are mounted on the other end of said plurality of longitudinal frame members of said machinery skid frame;   fluid measuring tank means mounted on a plurality of cross-members of said machinery skid frame which are mounted between said positive displacement pump means and said engine means;   recirculating mixing means mounted on a plurality of cross-members of said machinery skid frame which are mounted between said fluid measuring tank means and said positive displacement pump means;   operator platform means mounted on a plurality of cross-members of said machinery skid frame which are mounted between said fluid measuring tank means and said positive displacement pump means and adjacent said recirculating mixing means;   supply pump means mounted on a member of said plurality of members of said machinery skid frame, said member being mounted below said fluid measuring tank means on one of said plurality of longitudinal frame members, said supply pump means being driven by hydraulic motor means;   recirculating pump means mounted on a member of said plurality of members of said machinery skid frame, said member being mounted below said recirculating mixing means on the same longitudinal frame member of said plurality of longitudinal frame members as said supply pump means, said recirculating pump means being driven by hydraulic motor means; and   auxiliary engine means mounted on a plurality of members of said plurality of members of said machinery skid frame, said members being mounted below said operator platform means on another longitudinal frame member of said plurality of longitudinal frame members, said auxiliary engine means driving hydraulic pump means which power said hydraulic motor means of said supply pump means and said hydraulic motor means of said recirculating pump means.